How to explain the value of 4 in 6400 and 402

Solve for t in d = rt, if d = 57 and r = 30.

16 is 80% of what total amount?

How to solve 40:5 (2)

When Cody's family moved away to Morristown, they had to pack a total of 756 kilograms of their belongings. If they packed 338 kilograms into a moving truck, how many kilograms of their belongings did they pack into their cars?

The area of a rectangle is 28 square inches. If the length is 4 inches, what is the perimeter of this rectangle?

A 16 pound bag of dog food normally sells for $16.98 it is on sale for 18% off the regular price what is the discount

6. Write an expression that is equivalent to 4 + 3 (5 + x).

Which is greater, 300 kelvins or 25 degrees Celsius? Showhow you got the answer

Solve the system of equation. 5x+2y=9 y=7

The function ƒ (x) = x2 is not one-to-one. Find a portion of the domain where the function is one-to-one and find an inverse function.